2-[3-[1 [(quinazolin-4-yl)amino]ethyl]pyrazin-2-yl]thiazole-5-carbonitrile derivatives and similar compounds as pesticides

Abstract

The present invention relates to compounds of formula I wherein Q is as pesticides for combating and controlling insects, acarines, nematodes or molluscs. An exemplary compound is e.g. 2-[3-[1[[6-chloro-8-(trifluoromethyl) quinazolin-4-yl]amino]ethyl]pyrazin-2-yl]thiazole-5-carbonitrile (compound P5). Comparative biological data is provided:

1 . A compound of the formula I 
       
         
           
           
               
               
           
         
         wherein: 
         A 1 , A 2  and A 3  are, independently from each other, N or CR Y ; or 
         A 1 =A 2 -A 3 , taken together, are NR—C(═X)—N; 
         A 4  and A 5  are, independently from each other, N or CR YY ; 
         Q is 
       
       
         
           
           
               
               
           
         
         R is hydrogen, C 1 -C 3 alkyl, C 1 -C 3 haloalkyl, C 1 -C 3 alkoxy, or C 1 -C 3 haloalkoxy; 
         R 1  is hydrogen, C 1 -C 6 alkyl, C 1 -C 6 cyanoalkyl, aminocarbonylC 1 -C 6 alkyl, hydroxycarbonylC 1 -C 6 alkyl, C 1 -C 6 nitroalkyl, trimethylsilaneC 1 -C 6 alkyl, C 1 -C 3 alkoxy-C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 2 -C 6 alkenyl, C 2 -C 6 haloalkenyl, C 2 -C 6 alkynyl, C 2 -C 6 haloalkynyl, C 3 -C 4 cycloalkylC 1 -C 2 alkyl-, C 3 -C 4 cycloalkylC 1 -C 2 alkyl- wherein the C 3 -C 4 cycloalkyl group is substituted with 1 or 2 halogen atoms, oxetan-3-yl-CH 2 —, C 1 -C 6 alkylcarbonyl, C 1 -C 6 alkoxycarbonyl, phenyloxycarbonyl, benzyloxycarbonyl, benzyl or benzyl substituted with 1 to 3 substituents independently selected from halogen, C 1 -C 6 alkoxy and C 1 -C 6 haloalkyl; 
         R 2a  and R 2b  are each independently selected from hydrogen, C 1 -C 3 alkyl, C 1 -C 3 haloalkyl, C 1 -C 3 haloalkylsuflanyl, C 1 -C 3 alkoxy, C 1 -C 3 haloalkoxy, halogen, NO 2 , SF 5 , CN, C(O)NH 2 , C(O)OH, C(S)NH 2 , C 3 -C 6 cycloalkyl, C 3 -C 6 cycloalkyl substituted with one to three substituents independently selected from R x , C 3 -C 6 cycloalkylcarbonyl, phenyl, phenyl substituted with one to three substituents independently selected from R x , heteroaryl, heteroaryl substituted with one to three substituents independently selected from R x ; OR 6 , piperidin-2-one-1-yl, piperidin-2-one-1-yl substituted with one to two substituents independently selected from R x , pyridin-2-one-1-yl, pyridin-2-one-1-yl substituted with one to two substituents independently selected from R x , azetidin-1-yl, azetidin-1-yl substituted with one to two substituents independently selected from R x  pyrrolidin-1-yl, pyrrolidin-1-yl substituted with one to two substituents independently selected from R x , C 3 -C 6 cycloalkylC 1 -C 4 alkyl, C 3 -C 6 cycloalkylC 1 -C 4 alkyl substituted with one to two substituents independently selected from R z ; C 3 -C 6 cycloalkylC 1 -C 3 alkoxy, C 3 -C 6 cycloalkylC 1 -C 3 alkoxy substituted with one to two substituents independently selected from R x , C 1 -C 6 cyanoalkyl, C 1 -C 6 cyanoalkoxy, C 1 -C 4 alkylsulfanyl, C 1 -C 4 alkylsulfanyl substituted with one to three substituents independently selected from R x , C 1 -C 4 alkylsulfonyl, C 1 -C 4 alkylsulfonyl substituted with one to three substituents independently selected from R x , C 1 -C 4 alkylsulfinyl, and C 1 -C 4 alkylsulfinyl substituted with one to three substituents independently selected from R x ; 
         R 3  is C 1 -C 3 alkyl or C 1 -C 3 haloalkyl; 
         R 4  is thiazol-2-yl, thiazol-4-yl, thiazol-5-yl, isothiazol-3-yl, isothiazol-4-yl, isothiazol-5-yl, 1,2,4-thiadiazol-3-yl, 1,3,4-thiadiazol-2-yl or 1,2,4-thiadiazol-5-yl; or 
         R 4  is thiazol-2-yl, thiazol-4-yl, thiazol-5-yl, isothiazol-3-yl, isothiazol-4-yl, isothiazol-5-yl, 1,2,4-thiadiazol-3-yl, 1,3,4-thiadiazol-2-yl or 1,2,4-thiadiazol-5-yl each of which, independently of each other, is substituted with one to two substituents independently selected from C 1 -C 3 alkyl, C 1 -C 3 haloalkyl, C 1 -C 3 alkoxy, C 3 -C 4 cycloalkyl, halo, hydroxyl, CN, C 1 -C 6 haloalkoxy, C 2 -C 6 haloalkenyloxy, C 2 -C 6 haloalkynyloxy, C 3 -C 4 halocycloalkoxy, NH 2 C(O)—, NH 2 C(S)—, (OH)N═C(NH 2 )— and a 5-membered heteroaryl ring optionally substituted by 1 to 3 substituents independently selected from halogen, C 1 -C 3 alkyl, C 1 -C 3 haloalkyl, C 1 -C 3 alkoxy and C 1 -C 3 haloalkoxy; 
         R 4a  is thiazol-2-yl, thiazol-4-yl, thiazol-5-yl, isothiazol-3-yl, isothiazol-4-yl, isothiazol-5-yl, 1,2,4-thiadiazol-3-yl, 1,3,4-thiadiazol-2-yl or 1,2,4-thiadiazol-5-yl; or 
         R 4a  is thiazol-2-yl, thiazol-4-yl, thiazol-5-yl, isothiazol-3-yl, isothiazol-4-yl, isothiazol-5-yl, 1,2,4-thiadiazol-3-yl, 1,3,4-thiadiazol-2-yl or 1,2,4-thiadiazol-5-yl each of which, independently of each other, is substituted with one to two substituents independently selected from C 1 -C 3 alkyl, C 1 -C 3 haloalkyl, C 1 -C 3 alkoxy, C 3 -C 4 cycloalkyl, halogen, hydroxyl, cyano, and C 1 -C 3 haloakoxy; 
         R 5  is hydrogen, C 1 -C 3 alkyl, C 1 -C 3 haloalkyl, C 3 -C 4 cycloalkyl, C 1 -C 3 alkoxy, C 3 -C 4 alkoxyC(O)—, (C 1 -C 3 alkoxy) 2 CH—, halogen, CN, NH 2 C(O), amino (i.e. NH 2 ), (C 1 -C 3 alkyl)amino, di(C 1 -C 3 alkyl)amino, hydroxy, C 3 -C 4 halocycloalkyl, C 3 -C 4 cyanocycloalkyl, C 2 -C 6 alkenyl, C 2 -C 6 haloalkenyl, C 2 -C 6 alkynyl, C 2 -C 6 haloalkynyl, C 1 -C 4 haloalkylsulfanyl, C 1 -C 4 haloalkylsulfinyl, C 1 -C 4 haloalkylsulfonyl, C 1 -C 4 alkylsulfanyl, C 1 -C 4 alkylsulfinyl, C 1 -C 4 alkylsulfonyl, C 1 -C 3 alkoxy-C 1 -C 3 alkyl, C 1 -C 3 alkoxy-C 1 -C 3 alkoxy-C 1 -C 3 alkyl, (C 1 -C 3 alkyl)sulfonylamino, (C 1 -C 3 alkyl)sulfonyl(C 1 -C 3 alkyl)amino, (C 1 -C 3 alkyl)NHC(O), (C 1 -C 3 alkyl) 2 NC(O), (C 1 -C 3 cycloalkyl)NHC(O), (C 1 -C 3 cycloalkyl)(C 1 -C 3 alkyl)NC(O), (C 1 -C 3 alkyl)C(O)(C 1 -C 3 alkyl)N, (C 1 -C 3 alkyl)C(O)NH, (C 1 -C 3 alkyl)C(O), (C 1 -C 3 alkoxy)C(O), HC(O), diphenylmethanimine, C 1 -C 3 haloalkoxy, phenyl, or a 5-membered heteroaromatic ring; or 
         R 5  is phenyl substituted with one to three substituents selected from C 1 -C 3 alkyl, C 1 -C 3 haloalkyl, C 1 -C 3 alkoxy, C 3 -C 4 cycloalkyl, halogen, CN and hydroxyl; or 
         R 5  is a 5-membered heteroaromatic ring substituted with one to three substituents selected from C 1 -C 3 alkyl, C 1 -C 3 haloalkyl, C 1 -C 3 alkoxy, C 3 -C 4 cycloalkyl, halogen, CN and hydroxyl; 
         R 5a  and R 5b  are, independently of each other, selected from hydrogen, halogen, CN, C 1 -C 3 alkyl, C 1 -C 3 haloalkyl, C 3 -C 4 cycloalkyl, C 1 -C 3 alkoxy, and C 1 -C 3 haloalkoxy; 
         R 6  is phenyl, benzyl, heteroaryl, or C 3 -C 6  cycloalkyl; or 
         R 6  is phenyl, benzyl, heteroaryl, or C 3 -C 6  cycloalkyl, each of which, independent of each other, is substituted with one to three substituents independently selected from R x ; 
         R x  is independently selected from halogen, C 1 -C 3 alkyl, C 1 -C 3 haloalkyl, C 1 -C 3 alkoxy, C 1 -C 3 haloalkoxy, NO 2 , SF 5 , CN, C(O)NH 2 , C(S)NH 2 , C 1 -C 4 haloalkylsulfanyl, C 1 -C 4 haloalkylsulfinyl, C 1 -C 4 haloalkylsulfonyl, C 1 -C 4 alkylsulfanyl, C 1 -C 4 alkylsulfinyl and C 1 -C 4 alkylsulfonyl; 
         R Y  is selected from hydrogen, C 1 -C 3  alkyl, C 1 -C 3  haloalkyl, hydroxy, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, halogen, CN and cyclopropyl; 
         R YY  is selected from hydrogen, C 1 -C 3  alkyl, C 1 -C 3  haloalkyl, hydroxy, C 1 -C 3  alkoxy, C 1 -C 3  haloalkoxy, halogen, CN and cyclopropyl; 
         R z  is selected from oxo, halogen, C 1 -C 3  alkyl, C 1 -C 3 haloalkyl, C 1 -C 3 alkoxy, C 1 -C 3 haloalkoxy and CN; and 
         X is O or S; 
         or an agrochemically acceptable salt, stereoisomer, enantiomer, tautomer and N-oxide of the compound of formula I. 
       
     
     
         2 . The compound according to  claim 1  wherein A 1  and, A 3  are N and A 2  is CH, and A 4  is CR Y  and A 5  is CH. 
     
     
         3 . The compound according to either  claim 1  wherein R 1  is hydrogen, methyl, ethyl, cyanomethyl, methoxymethyl, cyclopropyl-methyl, allyl, propargyl, benzyloxycarbonyl, or benzyl. 
     
     
         4 . The compound according to  claim 1  wherein R 2a  is halogen, C 1 -C 3 haloalkyl, C 1 -C 3 haloalkylsulfanyl, C 1 -C 3 haloalkoxy, C 3 -C 6 cycloalkyl, C 3 -C 6 cycloalkyl substituted with one or two substituents independently selected from C 1 -C 3 haloalkyl, cyano, and halogen, C 3 -C 6 cycloalkylC 1 -C 4 alkyl, C 3 -C 6 cycloalkylC 1 -C 4 alkyl substituted with one to three substituents independently selected from C 1 -C 3 haloalkyl, cyano, and halogen, C 1 -C 5 cyanoalkyl, C 1 -C 4 alkylsulfonyl, C 1 -C 4 haloalkylsulfonyl, C 1 -C 4 alkylsulfinyl, C 1 -C 4 haloalkylsulfinyl, C 3 -C 6 cycloalkylsulfanyl, C 3 -C 6 cycloalkylsulfinyl, or C 3 -C 6 cycloalkylsulfonyl. 
     
     
         5 . The compound according to  claim 1  wherein R 2b  is halogen, C 1 -C 3 haloalkyl, C 1 -C 3 haloalkylsulfanyl, C 1 -C 3 haloalkylsulfonyl, C 1 -C 3 alkoxy, C 1 -C 3 haloalkoxy, or CN. 
     
     
         6 . The compound according to  claim 1  wherein R 3  is C 1 -C 3 alkyl or C 1 -C 3 haloalkyl. 
     
     
         7 . The compound according to  claim 1  wherein Q is selected from Q a -1 to Q a -16 and R 4  is thiazol-2-yl, thiazol-4-yl, thiazol-5-yl, 1,2,4-thiadiazol-3-yl, 1,3,4-thiadiazol-2-yl or 1,2,4-thiadiazol-5-yl, each of which, independently of each other, is unsubstituted or substituted with one to two substituents independently selected from C 1 -C 3 alkyl, C 1 -C 3 haloalkyl, C 1 -C 3 alkoxy, C 3 -C 4 cycloalkyl, halo, hydroxyl, CN, C 1 -C 6 haloalkoxy, C 2 -C 6 haloalkenyloxy, C 2 -C 6 haloalkynyloxy, C 3 -C 4 halocycloalkoxy, NH 2 C(O)—, NH 2 C(S)—, (OH)N═C(NH 2 )— and a 5-membered heteroaryl ring optionally substituted by 1 to 3 substituents independently selected from halogen, C 1 -C 3 alkyl, C 1 -C 3 haloalkyl, C 1 -C 3 alkoxy and C 1 -C 3 haloalkoxy. 
     
     
         8 . The compound according to  claim 1  wherein Q is selected from Q b -1 to Q b -13 and R 4a  is thiazol-2-yl, thiazol-4-yl, thiazol-5-yl, 1,2,4-thiadiazol-3-yl, 1,3,4-thiadiazol-2-yl or 1,2,4-thiadiazol-5-yl, each of which, independently of each other, is unsubstituted or substituted with one to two substituents independently selected from C 1 -C 3 alkyl, C 1 -C 3 haloalkyl, C 1 -C 3 alkoxy, C 3 -C 4 cycloalkyl, halogen, hydroxyl, cyano, and C 1 -C 3 haloakoxy. 
     
     
         9 . The compound according to  claim 1  wherein the formula I is represented by formulae Iaa, Iab, Iac, Iad, Iae, Iaf and Iag (with asterisk indicating a stereogenic centre) 
       
         
           
           
               
               
           
         
       
       
         
           
           
               
               
           
         
         wherein R, R 1 , R 2a , R 2b , and R 3 , are as defined in  claim 1 , and Q 1  corresponds to Q as defined in  claim 1 . 
       
     
     
         10 . The compound according to  claim 9  wherein Q 1  is selected from Q aa  to Q ag  and Q ba  to Q bg . 
     
     
         11 . A composition comprising a compound as defined in  claim 1 , one or more auxiliaries and diluent, and optionally one or more other active ingredient. 
     
     
         12 . A method
 (i) of combating and controlling insects, acarines, nematodes or molluscs which comprises applying to a pest, to a locus of a pest, or to a plant susceptible to attack by a pest an insecticidally, acaricidally, nematicidally or molluscicidally effective amount of a compound as defined in  claim 1 ; or   (ii) for the protection of plant propagation material from the attack by insects, acarines, nematodes or molluscs, which comprises treating the propagation material or the site, where the propagation material is planted, with an effective amount of a compound as defined in  claim 1 ; or   (iii) of controlling parasites in or on an animal in need thereof comprising administering an effective amount of a compound as defined in  claim 1 .   
     
     
         13 . A plant propagation material, such as a seed, comprising, or treated with or adhered thereto, a compound as defined in  claim 1 .